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Finding the Fourth Proportional to 109,797.36, 164,696.40 and 26,691.36

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Solution

The fourth proportional to 109,797.36, 164,696.40 and 26,691.36 is: 40,037.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,797.36 : 164,696.40 = 26,691.36 : x
  2. Step 2: Convert to fraction form
    109,797.36/164,696.40 = 26,691.36/x
  3. Step 3: Cross multiply
    109,797.36x = 164,696.40 × 26,691.36
  4. Step 4: Simplify right side
    109,797.36x = 4,395,970,903.10
  5. Step 5: Solve for x
    x = 4,395,970,903.10/109,797.36
  6. Step 6: Final answer
    x = 40,037.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.